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Java SE 11 Developer

Exam Details

  • Exam Code
    :1Z0-819
  • Exam Name
    :Java SE 11 Developer
  • Certification
    :Oracle Certifications
  • Vendor
    :Oracle
  • Total Questions
    :315 Q&As
  • Last Updated
    :Apr 10, 2025

Oracle Oracle Certifications 1Z0-819 Questions & Answers

  • Question 171:

    Which two statements are true about Java modules? (Choose two.)

    A. Modular jars loaded from --module-path are automatic modules.

    B. Any named module can directly access all classes in an automatic module.

    C. Classes found in -classpath are part of an unnamed module.

    D. Modular jars loaded from -classpath are automatic modules.

    E. If a package is defined in both the named module and the unnamed module, then the package in the unnamed module is ignored.

  • Question 172:

    Which two statements independently compile? (Choose two.)

    A. List list = new ArrayList();

    B. List list = new ArrayList();

    C. List list = new ArrayList();

    D. List list = new ArrayList();

    E. List list = new ArrayList();

  • Question 173:

    Which three guidelines are used to protect confidential information? (Choose three.)

    A. Limit access to objects holding confidential information.

    B. Clearly identify and label confidential information.

    C. Manage confidential and other information uniformly.

    D. Transparently handle information to improve diagnostics.

    E. Treat user input as normal information.

    F. Validate input before storing confidential information.

    G. Encapsulate confidential information.

  • Question 174:

    Given: Which two methods modify field values? (Choose two.)

    A. setAllCounts

    B. setACount

    C. setGCount

    D. setCCount

    E. setTCount

  • Question 175:

    Given this enum declaration:

    Examine this code:

    System.out.println(Letter.values()[1]);

    What code should be written at line 5 for this code to print 200?

    A. public String toString() { return String.valueOf(ALPHA.v); }

    B. public String toString() { return String.valueOf(Letter.values()[1]); }

    C. public String toString() { return String.valueOf(v); }

    D. String toString() { return "200"; }

  • Question 176:

    Given:

    executed using this command: java Myclass My Car is red What is the output of this class?

    A. Car--red--My

    B. My--Car--is

    C. My--is--java

    D. java--Myclass--My

    E. Myclass--Car--red

  • Question 177:

    Given:

    Which two constructors will compile and set the class field strings? (Choose two.)

    A. Option A

    B. Option B

    C. Option C

    D. Option D

    E. Option E

  • Question 178:

    Given:

    Which two methods facilitate valid ways to read instance fields? (Choose two.)

    A. getTCount

    B. getACount

    C. getTotalCount

    D. getCCount

    E. getGCount

  • Question 179:

    Given:

    Which one is correct?

    A. An IllegalThreadStateException is thrown at run time.

    B. Three threads are created.

    C. The compilation fails.

    D. Four threads are created.

  • Question 180:

    Given:

    What is the type of the local variable x?

    A. Character

    B. char

    C. String[ ]

    D. String

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